<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<h1>index Page</h1>
<form action="/user/signIn" method="post">
    <input type="number" value="2" name="id" placeholder="ID"/>
    <br>
    <input type="password" value="admin" name="password" placeholder="PASSWORD"/>
    <br>
    <input type="submit" value="登陆"/>
</form>
<a href="/sign_up.jsp">注册</a>
<br>
${requestScope.message}
</body>
</html>
